40cdbb3f5d59f853d7fe5e585b5c5d998e34a83a2f45ef56e8bff9f209fe9ead

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 14:04

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General

Target

74e1298f603a06960d1d2e90c388c42d.pdf
Size

74KB
MD5

74e1298f603a06960d1d2e90c388c42d
SHA1

1775abdcecaa67a946cd977ab12b287ca13eb5f1
SHA256

40cdbb3f5d59f853d7fe5e585b5c5d998e34a83a2f45ef56e8bff9f209fe9ead
SHA512

e3ec0aa790496527e0b264789522618320d3b205b2316ce77a02b26f17202540e97fc06b69d9d77fb1421d5826238a388a377a02014cb1f2c40dfe9e8bc91ac0
SSDEEP

1536:OnMx/7DTm+xMjN3J+W5aPs7G2NvFUyhdwn9BGLWefWxMqWkGd+gDWspORW3pO:8MxjXLqp5uPQG2NvFUedwn9BQXj5d+gI

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3916	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe
3916	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 2556	3916	AcroRd32.exe	92
PID 3916 wrote to memory of 2556	3916	AcroRd32.exe	92
PID 3916 wrote to memory of 2556	3916	AcroRd32.exe	92
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 1264	2556	RdrCEF.exe	96
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3408	2556	RdrCEF.exe	95

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\74e1298f603a06960d1d2e90c388c42d.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3916
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=31F811E5BCCF72C21939268DAF5D34F3 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=31F811E5BCCF72C21939268DAF5D34F3 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3408
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=C72C7D9B0E058587EC00A53E8FE965F0 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1264
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=4C97A839C2519ABD71F8D3F2D7311B35 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3404
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=4D97D2490A96B9666B0130A8E348B839 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1740
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=EF92DC373215C5AF74C3D8D5EDD4EDC5 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1008
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=5C445602C74A1A1AE2F13633EB322736 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=5C445602C74A1A1AE2F13633EB322736 --renderer-client-id=7 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2380

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
6dae20a000fa815485544945fe4d356d

SHA1
b291fc1f88a016cd8f76a65ae0b08008e4c045ca

SHA256
4b4b2e5578dda87d6769998a18de23a6aa8bfeacc8ff748871b75f7b71242292

SHA512
fe9d630281f062342636068415260a13a264da9c4fb0ad913b96e35ab2107a91e242310fb3549c8c738560c180cee0039f1103eb0dcd08c35d42854c6c593a13

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/3916-26-0x000000000B110000-0x000000000B160000-memory.dmp

Filesize
320KB

Download